Quadratically nonlinear torsional hyperelastic waves in a transversely isotropic cylinder: Primary analysis of evolution |
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Authors: | J J Rushchitsky Ya V Simchuk |
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Institution: | (1) S. P. Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, Kyiv, Ukraine |
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Abstract: | Nonlinear torsional waves propagating along an infinite transversely isotropic cylinder are considered. The hyperelasticity
of the cylinder is described by Guz’s generalization of the Murnaghan potential to quasi-isotropic materials. The evolution
of the initial waveprofile in cylinders made of composite materials reinforced with micro-and nanoscale fibers is modeled
numerically. It is shown that the transverse isotropy of this class of composites has a weak effect on the wave phenomena
accompanying the propagation of a torsional wave. Three-dimensional plots of evolution are presented
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Translated from Prikladnaya Mekhanika, Vol. 44, No. 5, pp. 32–44, May 2008. |
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Keywords: | nonlinear torsional wave transversely isotropic cylinder Guz’ s generalization of Murnaghan potential Bessel functions waveprofile evolution micro-and nanoscale fibrous composites second-order approximation |
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